FMMT491-TP

{
  "slug": "fmmt491-tp",
  "version": "0.1.0",
  "type": "component",
  "description": "MCC Micro Commercial Components Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "transistors-thyristors",
    "fmmt491-tp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "fmmt491-tp.kicad_sym",
    "fmmt491-tp.kicad_mod",
    "fmmt491-tp.glb",
    "fmmt491-tp.step",
    "fmmt491-tp.lbr",
    "docs/hero.png",
    "docs/fmmt491-tp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fmmt491-tp-hero.glb",
    "fmmt491-tp-hero.overlay.json",
    "fmmt491-tp-etched.glb"
  ],
  "component": {
    "mpn": "FMMT491-TP",
    "manufacturer": "MCC Micro Commercial Components",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226445944586240",
    "parts": {
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      "footprint": "fmmt491-tp.kicad_mod",
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      "model_3d_plain": "fmmt491-tp-etched.glb",
      "model_3d_step": "fmmt491-tp-etched.step",
      "model_3d_step_plain": "fmmt491-tp.step",
      "lbr": "fmmt491-tp.lbr"
    },
    "distributor_links": {
      "lcsc": "C2975482"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:50:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "passive",
        "description": "Base terminal of the NPN transistor; the datasheet rates the emitter-base voltage VEBO at 5 V maximum."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the datasheet rates the emitter-base voltage VEBO at 5 V maximum."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; the datasheet rates VCBO at 80 V, VCEO at 60 V, and continuous collector current IC at 1 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names are taken from the datasheet's explicit list (1.BASE, 2.EMITTER, 3.COLLECTOR) ; The datasheet gives no per-pin functional description beyond the terminal labels. Pin descriptions c; Ordering information lists the part as FMMT491-TP (Tape & Reel, 3Kpcs/Reel). The datasheet's package"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0282,
        "at": "2026-10-17T14:48:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226445944586240",
        "pages": 4,
        "sha256": "0281cc762bfc2b54",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fmmt491-tp-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
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        "sha256": "be4ece966f3c787a288156c157b049fc833e1f0bcca5e00a4daa38d84274bf24",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}